Gasket Sheet Material Cork Buna-N Rubber Blend Shape Sheet Backing Type Plain Length 3 ft Width 3 ft Thickness 1/2 in Grain Size Fine Color Brown Adhesive Type Plain Backing Maximum Temperature 200 Degrees F Minimum Temperature 0 Degrees F Maximum Adhesive Temperature 120 Degrees F Minimum Adhesive Temperature Not Rated Tensile Strength 325 psi Grade Standard Density 46 lb/cu ft